.error-app {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    padding: 2rem 1rem 3rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.error-wrap {
    width: 100%;
    max-width: 34rem;
}

.error-card {
    position: relative;
    padding: 2.5rem 2rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-md);
    border-radius: 2px;
    text-align: center;
    overflow: hidden;
}

.error-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.85;
}

.error-code {
    font-family: var(--font-display);
    font-size: clamp(4.5rem, 16vw, 6.5rem);
    font-weight: 700;
    line-height: 0.92;
    letter-spacing: 0.04em;
    color: var(--accent);
    text-shadow: 0 0 40px rgba(196, 70, 26, 0.35);
    margin: 0 0 0.35rem;
}

.error-kicker {
    display: inline-block;
    margin-bottom: 0.85rem;
    padding: 0.28rem 0.65rem;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 2px;
}

.error-title {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 5vw, 2.35rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.05;
    margin: 0 0 0.85rem;
}

.error-desc {
    margin: 0 auto;
    max-width: 36ch;
    color: var(--text-muted);
    font-size: 0.98rem;
    line-height: 1.6;
}

.error-meta {
    margin-top: 1rem;
    font-family: ui-monospace, "Cascadia Code", monospace;
    font-size: 0.72rem;
    color: var(--text-dim);
    word-break: break-all;
}

.error-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    margin-top: 1.65rem;
}

.error-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.55rem 1rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.72);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 2px;
    cursor: pointer;
    transition: color 0.12s, border-color 0.12s, background 0.12s;
}

.error-btn:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
}

.error-btn--primary {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent-glow);
}

.error-btn--primary:hover {
    background: #d04e22;
    border-color: #ff7040;
}

.error-links {
    margin-top: 1.25rem;
    font-size: 0.82rem;
    color: var(--text-dim);
}

.error-links a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
}

.error-links a:hover {
    color: var(--accent);
    text-decoration: none;
}

/* Admin panel variant */
.a-error-panel {
    max-width: 34rem;
}

.a-error-panel .error-card {
    background: var(--bg-card, #181a1b);
}

.a-error-panel .error-code {
    font-size: clamp(3.5rem, 10vw, 5rem);
}

.a-error-panel .error-title {
    font-family: var(--font-display, "Teko", sans-serif);
}

@media (max-width: 520px) {
    .error-card {
        padding: 2rem 1.25rem 1.65rem;
    }

    .error-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .error-btn {
        width: 100%;
    }
}